function calDate(s1,d){
	var bufferA = Date.parse( s1) ;	
	var bufferB = Date.parse( d ) ;
	var number = bufferB-bufferA ;
	if(number>0){
		number = parseInt(number / 86400000) ; 
	}	
	if(isNaN(number)){
		number=0;
	}		
	return number;
}
function baseZag () {
/* Set the value of numPercentToShow to determine
	what percentage of page hits should bake the cookie.
	Example values:
	.01, means that 1% will be cookied
	*/

	var numPercentToCookie = 0;
	//var numPercentToCookie = 0.016666667;
	//var numPercentToCookie = .33;
  
	// generate a random number: if the random num is less
	// than the decimal, bake cookie.

	var rand = Math.random();
	//user can change these values --- t, s, p --- start ------
	var t = 3650;  //time frame - in days
	var s = 2;	// session number
	var p = 0;	// page view
	
	// ------- end ----------------
	var tempDate = new Date();	// today's date	
	var d = tempDate.getMonth() + 1 + "/" + tempDate.getDate() + "/" + tempDate.getYear(); //today's date in mm/dd/yyyy
	var pc=0; //actual pageview
	var s1=0; //session 1
	var sc=0; //actual session number
	var tempTimeFrame = 0; //temp variable to hold time passed between 2 dates	
	var newZagCookieValue=""; //temp variable to hold cookie information
	var oldsc = 0;	//temp variable to hold session number
	var zagCookie;
	zagCookie = usat.cookie.get("zagCookie");
	
	if (zagCookie == null) {
		if (rand < numPercentToCookie) {
   			usat.cookie.set("zagCookie", "2", new Date(2025, 11, 31), "/", ".usatoday.com");
			zagCookie = usat.cookie.get("zagCookie"); 
		}  		
   } //if  
	
	if (zagCookie !=0 && zagCookie !=1 && zagCookie !=2) {				
		if(zagCookie != null){
			sc = getCookieStringParamValue(zagCookie,"sc");
			oldsc = sc;
			pc = getCookieStringParamValue(zagCookie,"pc");
			s1 = getCookieStringParamValue(zagCookie,"s1");						
			var arrayS= new Array(sc); 			
			for (var n=1;n<=sc;n++) {
				sxValue =getCookieStringParamValue(zagCookie,"s"+n);			
				newZagCookieValue= newZagCookieValue + "&" + "s"+n + "=" + sxValue;			
				arrayS[n]=sxValue;						
			}
		}		
			tempTimeFrame = calDate(s1,d); 			
		if(usat.cookie.get("zagSession") == null){			
			pc = 1;	
			sc++;		
			usat.cookie.set("zagSession", "inSession", "", "/", ".usatoday.com");		
		}
		else{			
			pc++;			
		}				
		
		if(sc >= s && tempTimeFrame <=t && pc >= p) //zagged, expire zagCookieValues cookie
		{	
			usat.cookie.set("zagCookie", "0", new Date(2025, 11, 31), "/", ".usatoday.com"); 					
		}
		else if(tempTimeFrame > t){ //passed timeframe
			timeWindowShifted=false;			
			newZagCookieValue="";
			pc=1;			
			for (var i=1;i<=oldsc;i++) {					
				arrayDate = calDate(arrayS[i],d);
				if(arrayDate<=t){ //old dates within time frame					
					timeWindowShifted=true;													
					for(j=1;j<=oldsc-(i-1);j++){
						newNum = i+j-1;						
						newZagCookieValue = newZagCookieValue + "&s" + j + "=" + arrayS[newNum];
						sc=j;
					}
					sc++
					tempS = "sc=" + sc + "&pc=" + pc + newZagCookieValue + "&s" + sc + "=" + d;					
					break;					
				}				
			}
			if(timeWindowShifted){	//if time window was shifted						
				usat.cookie.set("zagCookie", tempS, new Date(2025, 11, 31), "/", ".usatoday.com");
			}
			else{ //start counting again				
				tempS = "sc=1&pc=1&s1=" +d;
				usat.cookie.set("zagCookie", tempS, new Date(2025, 11, 31), "/", ".usatoday.com");				
			}
		}
		else{	//reset cookie values	
			if(oldsc == sc){ //old session
				ta = newZagCookieValue;			
			}
			else{	//new session, user refreshes, or on a new page				
				ta = newZagCookieValue + "&" + "s" + sc + "=" + d;
			}									
			var tempS = "sc=" + sc + "&pc=" + pc + ta;
			usat.cookie.set("zagCookie", tempS, new Date(2025, 11, 31), "/", ".usatoday.com"); 			
		}
	}	
} //function baseZag ()
baseZag();

strInt = "http://asp.usatoday.com/registration/zag2/gather.aspx";
strUrl = window.location;
strUrl = strUrl.toString();
zagEnabled=1;	//To disable zag, set it to 0. To enable zag, set it to 1
function doLoad(){
	if ((zagEnabled == 1) && ((document.URL.indexOf("/life/front.htm")>-1)||(document.URL.indexOf("/sports/front.htm")>-1)||(document.URL.indexOf("/news/front.htm")>-1)||(document.URL.indexOf("/money/front.htm")>-1)||(document.URL.indexOf("/travel/front.htm")>-1)||(document.URL.indexOf("/tech/front.htm")>-1)||(document.URL.indexOf("/weather/weatherfront.aspx")>-1))){
		if((usat.cookie.get("zagCookie")=="0")&&(usat.cookie.get("zagSession").indexOf("error")==-1)){			
				//do ZAG
				for(x=0;x<document.links.length;x++){
					if ((document.links[x].target.indexOf("popup")==-1)&&(document.links[x].href.indexOf("javascrip")==-1)&&(document.links[x].href.indexOf("/survey/")==-1)&&(document.links[x].href.indexOf("marketing/legal.htm")==-1)&&(document.links[x].href.indexOf("ads/usat/inside_usat.htm")==-1)&&(document.links[x].href.indexOf("money/jobcenter/front.htm")==-1)&&(document.links[x].href.indexOf("educate/homesplash.htm")==-1)&&(document.links[x].href.indexOf("_ads/sweepstakes")==-1)&&(document.links[x].href.indexOf("subscribe.usatoday")==-1)&&(document.links[x].href.indexOf("newspaperads.com")==-1)&&(document.links[x].href.indexOf("ad.usatoday.com")==-1)&&(document.links[x].href.indexOf("newstracker")==-1)&&(document.links[x].href.indexOf("marketing/feedback.htm")==-1)&&(document.links[x].href.indexOf("qasb.pqarchiver")==-1)&&(document.links[x].href.indexOf("passport.com")==-1)&&(document.links[x].href.indexOf("moneyreg.aspx")==-1)&&(document.links[x].href.indexOf("portfolio.usatoday")==-1)&&(document.links[x].href.indexOf("email.usatoday")==-1)&&(document.links[x].href.indexOf("registration.usatoday")==-1)&&(document.links[x].href.indexOf("careerbuilder.com")==-1)&&(document.links[x].href.indexOf("eharmony.com")==-1)&&(document.links[x].href.indexOf("marketplace/front.htm")==-1)&&(document.links[x].href.indexOf("cars.com")==-1)&&(document.links[x].href.indexOf("concordpromotions.com")==-1)) {
					document.links[x].onclick=new Function("return doLink(document.links["+x+"].href)"); 
					}//if
				} //for			
		} //if
	}//if
}

function doLink(strURL){ 
	newURL=strInt+"?destination="+strURL+"&orignation="+strUrl; 
	window.location=newURL; 
	return(false); 
}